package com.changgou.order.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fescar.spring.annotation.GlobalTransactional;
import com.changgou.entity.Result;
import com.changgou.goods.feign.SkuFeign;
import com.changgou.order.config.RabbitMQConfig;
import com.changgou.order.dao.*;
import com.changgou.order.pojo.*;
import com.changgou.order.service.CartService;
import com.changgou.order.service.OrderService;
import com.changgou.pay.feign.PayFeign;
import com.changgou.user.feign.UserFeign;
import com.changgou.user.pojo.User;
import com.changgou.utils.IdWorker;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import tk.mybatis.mapper.entity.Example;

import java.time.LocalDate;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderMapper orderMapper;

    @Autowired
    private CartService cartService;

    @Autowired
    private IdWorker idWorker;

    @Autowired
    private OrderItemMapper orderItemMapper;

    @Autowired
    private RedisTemplate redisTemplate;

    @Autowired
    private UserFeign userFeign;

    @Autowired
    private SkuFeign skuFeign;

    /**
     * 查询全部列表
     *
     * @return
     */
    @Override
    public List<Order> findAll() {
        return orderMapper.selectAll();
    }

    /**
     * 根据ID查询
     *
     * @param id
     * @return
     */
    @Override
    public Order findById(String id) {
        return orderMapper.selectByPrimaryKey(id);
    }


    @Autowired
    private TaskMapper taskMapper;

    @Autowired
    private RabbitTemplate rabbitTemplate;

    /**
     * 增加
     *
     * @param order
     */
    @Override
    @GlobalTransactional(name = "order_add")
    public String add(Order order) {

        //1.获取购物车的数据
        Map cartMap = cartService.list(order.getUsername());
        Integer totalMoney = (Integer) cartMap.get("totalMoney");
        Integer totalNum = (Integer) cartMap.get("totalNum");
        List<OrderItem> orderItemList = (List<OrderItem>) cartMap.get("orderItemList");

        //填充订单数据到tb_order表
        order.setTotalNum(totalNum);
        order.setTotalMoney(totalMoney);
        order.setPayMoney(totalMoney);
        order.setCreateTime(new Date());
        order.setUpdateTime(new Date());
        order.setBuyerRate("0");//商品评价
        order.setSourceType("1"); //来源，1：WEB
        order.setOrderStatus("0"); //0:未完成,1:已完成，2：已退货
        order.setPayStatus("0"); //0:未支付，1：已支付，2：支付失败
        order.setConsignStatus("0"); //0:未发货，1：已发货，2：已收货
        String orderId = idWorker.nextId() + "";
        order.setId(orderId);
        //插入order表
        orderMapper.insertSelective(order);

        //订单明细
        for (OrderItem orderItem : orderItemList) {
            orderItem.setId(idWorker.nextId() + "");
            orderItem.setIsReturn("0");
            orderItem.setOrderId(order.getId());
            orderItemMapper.insertSelective(orderItem);
        }

        //扣减库存
        skuFeign.decrCount(order.getUsername());

        //添加任务数据
        Task task = new Task();
        task.setCreateTime(new Date());
        task.setMqExchange(RabbitMQConfig.EX_BUYING_ADDPOINTUSER);
        task.setMqRoutingkey(RabbitMQConfig.CG_BUYING_ADDPOINT_KEY);
        task.setUpdateTime(new Date());

        Map map = new HashMap();
        map.put("username", order.getUsername());
        map.put("orderId", orderId);
        map.put("point", order.getPayMoney());

        task.setRequestBody(JSON.toJSONString(map));

        taskMapper.insertSelective(task);

//        int i = 1/0;


        //添加积分
//        userFeign.addUserPoints(order.getPayMoney());


        //已经把购物车信息维护到数据库了，可以删除redis中的购物车数据信息了
        redisTemplate.delete("cart_" + order.getUsername());

        rabbitTemplate.convertAndSend("","queue.ordercreate",orderId);

        return orderId;
    }


    /**
     * 修改
     *
     * @param order
     */
    @Override
    public void update(Order order) {
        orderMapper.updateByPrimaryKey(order);
    }

    /**
     * 删除
     *
     * @param id
     */
    @Override
    public void delete(String id) {
        orderMapper.deleteByPrimaryKey(id);
    }


    /**
     * 条件查询
     *
     * @param searchMap
     * @return
     */
    @Override
    public List<Order> findList(Map<String, Object> searchMap) {
        Example example = createExample(searchMap);
        return orderMapper.selectByExample(example);
    }

    /**
     * 分页查询
     *
     * @param page
     * @param size
     * @return
     */
    @Override
    public Page<Order> findPage(int page, int size) {
        PageHelper.startPage(page, size);
        return (Page<Order>) orderMapper.selectAll();
    }

    public void batchSend(List<Order> orders){
        for (Order order : orders) {
            if(order.getId()==null){
                throw new RuntimeException("订单号为空");
            }
            if(order.getShippingCode()==null || order.getShippingName()==null){
                throw new RuntimeException("请选择快递公司和填写快递单号");
            }
        }


        //循环订单,进行状态校验
         for(Order order :orders){
             Order order1 = orderMapper.selectByPrimaryKey( order.getId() );
             if(!"0".equals( order1.getConsignStatus() ) || !"1".equals( order1.getOrderStatus() ) ){
                 throw new RuntimeException("订单状态有误！");
             }
         }

        //循环订单更新操作
         for(Order order :orders){
             order.setOrderStatus("2");
             //订单状态 已发货
              order.setConsignStatus("1"); //发货状态 已发货
              order.setConsignTime(new Date());//发货时间
              order.setUpdateTime( new Date());//更新时间
              orderMapper.updateByPrimaryKeySelective(order); //记录订单变动日志
              OrderLog orderLog=new OrderLog(); orderLog.setId( idWorker.nextId()+"" );
              orderLog.setOperateTime(new Date());//当前日期
              orderLog.setOperater( "admin" );//系统管理员
              orderLog.setOrderStatus("2"); //已完成
              orderLog.setConsignStatus( "1" );//发状态（0未发货 1已发货）
              orderLog.setOrderId(order.getId());
              orderLogMapper.insertSelective( orderLog );
         }

    }

    @Override
    public void confirmTask(String orderId, String operator) {
        Order order = orderMapper.selectByPrimaryKey(orderId);
        if(order == null){
           throw new RuntimeException("订单不存在");
        }
        if( !"1".equals( order.getConsignStatus() )){
            throw new RuntimeException( "订单未发货" );
        }
        order.setConsignStatus("2"); //已送达
        order.setOrderStatus("3"); //已完成
        order.setUpdateTime(new Date());
        order.setEndTime(new Date());
        orderMapper.updateByPrimaryKeySelective(order);

        //记录订单日志
        OrderLog orderLog = new OrderLog();
        orderLog.setId(idWorker.nextId()+"");
        orderLog.setOperateTime(new Date());
        orderLog.setOperater(operator);
        orderLog.setOrderStatus("3");
        orderLog.setConsignStatus("2");
        orderLog.setOrderId(order.getId());
        orderLogMapper.insertSelective(orderLog);

        order.setConsignStatus("2");
    }

    @Autowired
    private OrderConfigMapper orderConfigMapper;

    @Override
    @Transactional
    public void autoTake() {

        //从订单配置表中，拿到自动确认收货的时间点
        OrderConfig orderConfig = orderConfigMapper.selectByPrimaryKey(1);//因为只有一条数据

        //往当前时间之前的时间点作为自动收货的时间节点
        LocalDate now = LocalDate.now();
        LocalDate date = now.plusDays(-orderConfig.getTakeTimeout());//拿到时间点

        //获取订单表中符合条件的数据（发货时间小于过期时间，收获状态未确认）
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andLessThan("consignTime",date);
        criteria.andEqualTo("orderStatus",2);
        List<Order> orders = orderMapper.selectByExample(example);

        //循环遍历
        for (Order order : orders) {
            this.confirmTask(order.getId(),"system");
        }

    }

    /**
     * 条件+分页查询
     *
     * @param searchMap 查询条件
     * @param page      页码
     * @param size      页大小
     * @return 分页结果
     */
    @Override
    public Page<Order> findPage(Map<String, Object> searchMap, int page, int size) {
        PageHelper.startPage(page, size);
        Example example = createExample(searchMap);
        return (Page<Order>) orderMapper.selectByExample(example);
    }


    @Autowired
    private OrderLogMapper orderLogMapper;

    @Override
    @Transactional
    public void updatePayStatus(String orderId, String transactionId) {
        Order order = orderMapper.selectByPrimaryKey(orderId);
        if (order != null && "0".equals(order.getPayStatus())) {
            order.setPayStatus("1");
            order.setOrderStatus("1");
            order.setUpdateTime(new Date());
            order.setPayTime(new Date());
            order.setTransactionId(transactionId);//交流流水号
            orderMapper.updateByPrimaryKeySelective(order);

            //记录订单日志
            OrderLog orderLog = new OrderLog();
            orderLog.setId(idWorker.nextId() + "");
            orderLog.setOperater("system");// 系统
            orderLog.setOperateTime(new Date());//当前日期
            orderLog.setOrderStatus("1");
            orderLog.setPayStatus("1");
            orderLog.setRemarks("支付流水号" + transactionId);
            orderLog.setOrderId(order.getId());
            orderLogMapper.insertSelective(orderLog);
        }
    }

    @Autowired
    private PayFeign payFeign;

    @Override
    @Transactional
    //关闭订单
    public void closeOrder(String orderId) {

        /*
            1.查询Mysql中的订单状态
            2.查询微信端的订单状态
            * 1.若已支付 ，则（更新订单状态，记录日志作数据补偿）直接结束该方法
            * 2.若未支付：先关闭本次订单，回滚库存数据，更新订单状态
         */
        System.out.println("关闭订单方法开始： "+orderId);
        Order order = orderMapper.selectByPrimaryKey(orderId);

        if(order!=null){
            Map orderMap = (Map) payFeign.queryOrder(orderId).getData();
            System.out.println("查询微信支付订单： "+orderMap);
            String trade_state = orderMap.get("trade_state").toString();
            if("SUCCESS".equals(trade_state)){
                this.updatePayStatus(orderId,(String) orderMap.get("transaction_id"));
            }
            if("NOTPAY".equals(trade_state)){
                //关闭订单
                payFeign.closeOrder(orderId);

                order.setUpdateTime(new Date());
                order.setOrderStatus("4");//订单关闭
                orderMapper.updateByPrimaryKeySelective(order);

                //新增订单日志
                OrderLog orderLog = new OrderLog();
                orderLog.setId(idWorker.nextId() + "");
                orderLog.setOperater("system");// 系统
                orderLog.setOperateTime(new Date());//当前日期
                orderLog.setOrderStatus("4");
                orderLog.setOrderId(order.getId());
                orderLogMapper.insertSelective(orderLog);

                //恢复商品库存
                OrderItem _orderItem = new OrderItem();
                _orderItem.setOrderId(orderId);
                List<OrderItem> orderItemList = orderItemMapper.select(_orderItem);
                for (OrderItem orderItem : orderItemList) {
                    skuFeign.resumeStockNum(orderItem.getSkuId(),orderItem.getNum());
                }


            }

        }

    }



    /**
     * 构建查询对象
     *
     * @param searchMap
     * @return
     */
    private Example createExample(Map<String, Object> searchMap) {
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        if (searchMap != null) {
            // 订单id
            if (searchMap.get("id") != null && !"".equals(searchMap.get("id"))) {
                criteria.andEqualTo("id", searchMap.get("id"));
            }
            // 支付类型，1、在线支付、0 货到付款
            if (searchMap.get("payType") != null && !"".equals(searchMap.get("payType"))) {
                criteria.andEqualTo("payType", searchMap.get("payType"));
            }
            // 物流名称
            if (searchMap.get("shippingName") != null && !"".equals(searchMap.get("shippingName"))) {
                criteria.andLike("shippingName", "%" + searchMap.get("shippingName") + "%");
            }
            // 物流单号
            if (searchMap.get("shippingCode") != null && !"".equals(searchMap.get("shippingCode"))) {
                criteria.andLike("shippingCode", "%" + searchMap.get("shippingCode") + "%");
            }
            // 用户名称
            if (searchMap.get("username") != null && !"".equals(searchMap.get("username"))) {
                criteria.andLike("username", "%" + searchMap.get("username") + "%");
            }
            // 买家留言
            if (searchMap.get("buyerMessage") != null && !"".equals(searchMap.get("buyerMessage"))) {
                criteria.andLike("buyerMessage", "%" + searchMap.get("buyerMessage") + "%");
            }
            // 是否评价
            if (searchMap.get("buyerRate") != null && !"".equals(searchMap.get("buyerRate"))) {
                criteria.andLike("buyerRate", "%" + searchMap.get("buyerRate") + "%");
            }
            // 收货人
            if (searchMap.get("receiverContact") != null && !"".equals(searchMap.get("receiverContact"))) {
                criteria.andLike("receiverContact", "%" + searchMap.get("receiverContact") + "%");
            }
            // 收货人手机
            if (searchMap.get("receiverMobile") != null && !"".equals(searchMap.get("receiverMobile"))) {
                criteria.andLike("receiverMobile", "%" + searchMap.get("receiverMobile") + "%");
            }
            // 收货人地址
            if (searchMap.get("receiverAddress") != null && !"".equals(searchMap.get("receiverAddress"))) {
                criteria.andLike("receiverAddress", "%" + searchMap.get("receiverAddress") + "%");
            }
            // 订单来源：1:web，2：app，3：微信公众号，4：微信小程序  5 H5手机页面
            if (searchMap.get("sourceType") != null && !"".equals(searchMap.get("sourceType"))) {
                criteria.andEqualTo("sourceType", searchMap.get("sourceType"));
            }
            // 交易流水号
            if (searchMap.get("transactionId") != null && !"".equals(searchMap.get("transactionId"))) {
                criteria.andLike("transactionId", "%" + searchMap.get("transactionId") + "%");
            }
            // 订单状态
            if (searchMap.get("orderStatus") != null && !"".equals(searchMap.get("orderStatus"))) {
                criteria.andEqualTo("orderStatus", searchMap.get("orderStatus"));
            }
            // 支付状态
            if (searchMap.get("payStatus") != null && !"".equals(searchMap.get("payStatus"))) {
                criteria.andEqualTo("payStatus", searchMap.get("payStatus"));
            }
            // 发货状态
            if (searchMap.get("consignStatus") != null && !"".equals(searchMap.get("consignStatus"))) {
                criteria.andEqualTo("consignStatus", searchMap.get("consignStatus"));
            }
            // 是否删除
            if (searchMap.get("isDelete") != null && !"".equals(searchMap.get("isDelete"))) {
                criteria.andEqualTo("isDelete", searchMap.get("isDelete"));
            }

            // 数量合计
            if (searchMap.get("totalNum") != null) {
                criteria.andEqualTo("totalNum", searchMap.get("totalNum"));
            }
            // 金额合计
            if (searchMap.get("totalMoney") != null) {
                criteria.andEqualTo("totalMoney", searchMap.get("totalMoney"));
            }
            // 优惠金额
            if (searchMap.get("preMoney") != null) {
                criteria.andEqualTo("preMoney", searchMap.get("preMoney"));
            }
            // 邮费
            if (searchMap.get("postFee") != null) {
                criteria.andEqualTo("postFee", searchMap.get("postFee"));
            }
            // 实付金额
            if (searchMap.get("payMoney") != null) {
                criteria.andEqualTo("payMoney", searchMap.get("payMoney"));
            }

        }
        return example;
    }

}
